CN205277854U - Draught fan - Google Patents
Draught fan Download PDFInfo
- Publication number
- CN205277854U CN205277854U CN201521110497.9U CN201521110497U CN205277854U CN 205277854 U CN205277854 U CN 205277854U CN 201521110497 U CN201521110497 U CN 201521110497U CN 205277854 U CN205277854 U CN 205277854U
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- transmission shaft
- bearing
- blower fan
- motor
- fan blade
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Abstract
The utility model discloses a draught fan, draught fan includes driving motor, the shaft coupling, the transmission shaft with fix the fan blade in transmission shaft end portion, include still that the motor supports solid fixed cylinder and transmission shaft protective sleeve, the motor supports solid fixed cylinder one end and is equipped with motor mounting flange, the other end is equipped with sleeve flange, be equipped with the sleeve flange matched with sleeve mounting flange who supports solid fixed cylinder with the motor in the middle part of transmission shaft protective sleeve, transmission shaft protective sleeve cover seals in the transmission shaft middle section, this draught fan has simple structure, the installation, the maintenance, maintain advantages such as convenient, can work in the vacuum for a long time, high temperature, it is high wet, in the environment such as aggressive fume, bearing and transmission shaft are not fragile, draught fan job stabilization is reliable, long service lifetime.
Description
Technical field
This utility model relates to a kind of blower fan, especially a kind of special fan that can work in vacuum, high temperature, high humidity, corrosive gas environment, for vacuum drying of wood or Equipment for Heating Processing.
Background technology
In order to make timber reach specific instructions for use, it is necessary to adopt vacuum drying of wood or Equipment for Heating Processing that timber is made dry or high-temperature heat treatment. Timber being carried out in vacuum drying or heat treatment process, blower fan will being passed through regularly to timber conveying high-temperature gas, thus reaching the dry of timber or high-temperature heat treatment. To be operated in the complex environments such as vacuum, high temperature, high humidity, corrosive gas due to the blower fan in the drying of wood or high temperature thermal treatment, these unfavorable factors so that bearing damage, power transmission shaft locking, the fault such as poorly sealed often occurs in blower fan. Prior art is not specifically designed to the special fan of vacuum drying of wood or Equipment for Heating Processing.
Utility model content
Utility model to solve the technical problem that: provides a kind of blower fan, this blower fan has simple in construction, install, maintenance, the advantage such as easy to maintenance, can work long hours in the environment such as vacuum, high temperature, high humidity, corrosive gas, bearing and power transmission shaft are hardly damaged, blower fan is stable and reliable in work, long service life.
Solve the technical scheme that technical problem is taked: a kind of blower fan; including drive motor, shaft coupling, power transmission shaft and the fan blade being fixed on end part of driving shaft; also include the fixing cylinder of motor support and transmission shaft protective sleeve; the fixing cylinder one end of motor support is provided with motor mounting flange; the other end is provided with sleeve connection flange; being provided with the sleeve mounting flange that the sleeve connection flange with the fixing cylinder of motor support matches in the middle part of transmission shaft protective sleeve, transmission shaft protective sleeve set is enclosed in power transmission shaft stage casing.
As improvement of the present utility model: transmission shaft protective sleeve two ends are provided with sealed bearing; power transmission shaft is connected one end and is fixed in the sealed bearing of motor side by deep groove ball bearing with drive motor, and power transmission shaft is connected one end and is fixed in the sealed bearing of fan blade side by self-aligning bearing with fan blade.
As further improvement of the utility model: be provided with refractory seals oil sealing in fan blade side seal bearing block.
Self-aligning bearing both sides in fan blade side seal bearing block at least respectively set a refractory seals oil sealing.
It is additionally provided with lubricating oil ring cavity in sealed bearing between the hermetic oil seal of self-aligning bearing both sides, sealed bearing is provided with the forced filling oil cup being connected with lubricating oil ring cavity.
Two refractory seals oil sealings it are provided with near fan blade side at self-aligning bearing.
Further improve as of the present utility model: in the sealed bearing of motor side, be provided with mechanically-sealing apparatus.
Described mechanically-sealing apparatus by the rotary packing ring being sleeved on power transmission shaft, compress spring and the stationary seal ring being arranged in mechanical sealing end cover is constituted.
It is provided with elevated-temperature seal oil sealing in the fan blade side of deep groove ball bearing, in the sealed bearing between elevated-temperature seal oil sealing and mechanical sealing end cover, is provided with seal oil ring cavity, mechanical sealing end cover is provided with the forced filling oil cup being connected with seal oil ring cavity.
Beneficial effect: blower fan of the present utility model, drive motor is included owing to have employed described blower fan, shaft coupling, power transmission shaft and the fan blade being fixed on end part of driving shaft, also include the fixing cylinder of motor support and transmission shaft protective sleeve, the fixing cylinder one end of motor support is provided with motor mounting flange, the other end is provided with sleeve connection flange, the sleeve mounting flange that the sleeve connection flange with the fixing cylinder of motor support matches it is provided with in the middle part of transmission shaft protective sleeve, transmission shaft protective sleeve set is enclosed in the technical scheme in power transmission shaft stage casing, by motor sleeve, blower fan is weldingly fixed on the wallboard of vacuum drying of wood or Equipment for Heating Processing, have easy for installation, be conducive to the advantages such as equipment sealing, by arranging protection sleeve outside power transmission shaft, power transmission shaft is made to work under the protection of transmission shaft protective sleeve, make blower fan of the present utility model can work long hours in vacuum, high temperature, high humidity, corrosive gas environment, bearing and power transmission shaft will not be caused damage by high temperature, high humidity, corrosive gas, therefore, blower fan is stable and reliable in work, long service life, it is provided with sealed bearing owing to have employed transmission shaft protective sleeve two ends, power transmission shaft one end is fixed in the sealed bearing of motor side by deep groove ball bearing, the power transmission shaft other end is fixed on the technical characteristic in the sealed bearing of fan blade side by self-aligning bearing, make power transmission shaft work in blower fan of the present utility model more stable reliably, and power transmission shaft can rectifier processing and the cumulative error that causes of assembling automatically, transmission quality is better, and blower fan vibrations are little, owing to have employed the technical characteristic being provided with refractory seals oil sealing in the sealed bearing of fan blade side, prevent dust, corrosive gas from entering in sealed bearing under the premise not affecting power transmission shaft operating, owing to the self-aligning bearing both sides that have employed in the sealed bearing of fan blade side at least respectively set the technical characteristic of a refractory seals oil sealing, self-aligning bearing is sealed in a work space closed, further enhances the protected effect to bearing, it is additionally provided with lubricating oil ring cavity owing to have employed in the sealed bearing between the hermetic oil seal of self-aligning bearing both sides, sealed bearing is provided with the technical characteristic of the forced filling oil cup being connected with lubricating oil ring cavity, bearing is made to work under the infiltration of lubricating oil, improve on the one hand the working environment of bearing, on the other hand improve the sealing effectiveness between transmission shaft protective sleeve and power transmission shaft, owing to have employed the technical characteristic being provided with two refractory seals oil sealings at self-aligning bearing in the sealed bearing of fan blade side, the refractory seals oil sealing near fan blade side can be effectively prevented to lose efficacy in severe working environment, make blower fan of the present utility model work more stable, reliable, the adaptive capacity of the harsh environments such as high temperature, corrosive gas is higher, owing to have employed the technical characteristic being provided with mechanically-sealing apparatus in the sealed bearing of motor side, the two ends making transmission shaft protective sleeve can keep good sealing under bigger pressure reduction, makes blower fan of the present utility model more may adapt to Wood vacuum drying equipment, due to have employed described mechanically-sealing apparatus by the rotary packing ring being sleeved on power transmission shaft, compress spring and technical characteristic that the stationary seal ring that is arranged in mechanical sealing end cover is constituted, the two ends making transmission shaft protective sleeve also can keep good sealing effectiveness under blower fan dead ship condition, makes blower fan of the present utility model can meet in vacuum drying of wood and heat treatment process the job requirement preheating, dry, regulate, dry each stages such as heat treatment transition, high-temperature heat treatment, cooling,It is provided with elevated-temperature seal oil sealing in the fan blade side of deep groove ball bearing owing to have employed, seal oil ring cavity it is provided with in sealed bearing between elevated-temperature seal oil sealing and mechanical sealing end cover, mechanical sealing end cover is provided with the technical characteristic of the forced filling oil cup being connected with seal oil ring cavity, not only enhance the effect of mechanical seal, and provide sufficient lubrication for the deep groove ball bearing in sealed bearing, make the sealing between transmission shaft protective sleeve and power transmission shaft more reliable, bearing longer service life, the pressure reduction that transmission shaft protective sleeve two ends can be born is bigger. blower fan of the present utility model goes for various vacuum drying of wood or Equipment for Heating Processing, and working stability, reliability are high, long service life, installs, safeguards, overhauls conveniently. blower fan of the present utility model can be applicable in other vacuum, high temperature, high humidity, corrosive gas environment.
Accompanying drawing explanation
Fig. 1 is the structural representation of blower fan of the present utility model;
Fig. 2 is the partial enlarged drawing of the sealed bearing of fan blade side in blower fan of the present utility model;
Fig. 3 is the partial enlarged drawing of the sealed bearing of drive motor side in blower fan of the present utility model.
Detailed description of the invention
As shown in Figure 1; blower fan of the present utility model; including drive motor 1, shaft coupling 3, power transmission shaft 12 and the fan blade 24 being fixed on end part of driving shaft; also include the fixing cylinder 8 of motor support and transmission shaft protective sleeve 11; the fixing cylinder one end of motor support is provided with motor mounting flange 2; the other end is provided with sleeve connection flange 9, is provided with the sleeve mounting flange 10 that the sleeve connection flange with the fixing cylinder of motor support matches in the middle part of transmission shaft protective sleeve, and transmission shaft protective sleeve set is enclosed in power transmission shaft stage casing.
Transmission shaft protective sleeve two ends are provided with sealed bearing; power transmission shaft is connected one end and is fixed in the sealed bearing 6 of motor side by deep groove ball bearing 7 with drive motor, and power transmission shaft is connected one end and is fixed in the sealed bearing 15 of fan blade side by self-aligning bearing 16 with fan blade.
As shown in Figure 2, refractory seals oil sealing it is provided with in the sealed bearing 15 of fan blade side, as preferably, self-aligning bearing 16 both sides in the sealed bearing of fan blade side at least respectively set a refractory seals oil sealing (13, 17), it is additionally provided with lubricating oil ring cavity 23 in sealed bearing between the hermetic oil seal of self-aligning bearing both sides, sealed bearing is provided with the forced filling oil cup 14 being connected with lubricating oil ring cavity, in order to improve the blower fan adaptive capacity to adverse circumstances further, side is being contacted with adverse circumstances, that is: in the sealed bearing of fan blade side, two refractory seals oil sealings (17 it are provided with at self-aligning bearing, 25).
As shown in Figure 3, it is provided with mechanically-sealing apparatus in the sealed bearing 6 of motor side, described mechanically-sealing apparatus is made up of the rotary packing ring 19 being sleeved on power transmission shaft, compression spring 21 and the stationary seal ring 18 being arranged in mechanical sealing end cover 5, it is provided with elevated-temperature seal oil sealing 22 in the fan blade side of deep groove ball bearing, it is provided with seal oil ring cavity 20 in sealed bearing between elevated-temperature seal oil sealing and mechanical sealing end cover, mechanical sealing end cover is provided with the forced filling oil cup 4 being connected with seal oil ring cavity.
Blower fan of the present utility model in use as the case may be, can select charging-up lubricant oil or grease in seal oil ring cavity or lubricating oil ring cavity.
Claims (9)
1. a blower fan; including drive motor, shaft coupling, power transmission shaft and the fan blade being fixed on end part of driving shaft; it is characterized in that: also include the fixing cylinder of motor support and transmission shaft protective sleeve; the fixing cylinder one end of motor support is provided with motor mounting flange; the other end is provided with sleeve connection flange; being provided with the sleeve mounting flange that the sleeve connection flange with the fixing cylinder of motor support matches in the middle part of transmission shaft protective sleeve, transmission shaft protective sleeve set is enclosed in power transmission shaft stage casing.
2. blower fan according to claim 1; it is characterized in that: transmission shaft protective sleeve two ends are provided with sealed bearing; power transmission shaft is connected one end and is fixed in the sealed bearing of motor side by deep groove ball bearing with drive motor, and power transmission shaft is connected one end and is fixed in the sealed bearing of fan blade side by self-aligning bearing with fan blade.
3. blower fan according to claim 2, is characterized in that: be provided with refractory seals oil sealing in fan blade side seal bearing block.
4. blower fan according to claim 3, is characterized in that: the self-aligning bearing both sides in fan blade side seal bearing block at least respectively set a refractory seals oil sealing.
5. blower fan according to claim 4, is characterized in that: be additionally provided with lubricating oil ring cavity in the sealed bearing between the hermetic oil seal of self-aligning bearing both sides, is provided with the forced filling oil cup being connected with lubricating oil ring cavity on sealed bearing.
6. blower fan according to claim 5, is characterized in that: be provided with two refractory seals oil sealings near fan blade side at self-aligning bearing.
7. the blower fan according to any one of claim 1 to 6, is characterized in that: be provided with mechanically-sealing apparatus in the sealed bearing of motor side.
8. blower fan according to claim 7, is characterized in that: described mechanically-sealing apparatus by the rotary packing ring being sleeved on power transmission shaft, compress spring and the stationary seal ring being arranged in mechanical sealing end cover is constituted.
9. blower fan according to claim 8, it is characterized in that: be provided with elevated-temperature seal oil sealing in the fan blade side of deep groove ball bearing, it is provided with seal oil ring cavity in sealed bearing between elevated-temperature seal oil sealing and mechanical sealing end cover, mechanical sealing end cover is provided with the forced filling oil cup being connected with seal oil ring cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521110497.9U CN205277854U (en) | 2015-12-29 | 2015-12-29 | Draught fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521110497.9U CN205277854U (en) | 2015-12-29 | 2015-12-29 | Draught fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205277854U true CN205277854U (en) | 2016-06-01 |
Family
ID=56062434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521110497.9U Active CN205277854U (en) | 2015-12-29 | 2015-12-29 | Draught fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205277854U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108425860A (en) * | 2018-02-05 | 2018-08-21 | 洛阳北玻台信风机技术有限责任公司 | A kind of transmission component for sweeper special fan |
-
2015
- 2015-12-29 CN CN201521110497.9U patent/CN205277854U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108425860A (en) * | 2018-02-05 | 2018-08-21 | 洛阳北玻台信风机技术有限责任公司 | A kind of transmission component for sweeper special fan |
| CN108425860B (en) * | 2018-02-05 | 2023-12-05 | 洛阳北玻三元流风机技术有限公司 | Transmission assembly for special fan of sweeper |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |